Sudoku

How to play

1. 1Fill the grid so every row, every column and every 3×3 box contains 1 to 9, with no repeats.
2. 2Pick a cell, then tap a number or type 1–9. Tap again to clear it.
3. 3Turn on Notes to pencil in candidate numbers for a cell.
4. 4Conflicts highlight in red. Play the daily puzzle, or pick a difficulty.